Toothbrush



FIG. 1 is a top perspective view of a toothbrush showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view opposite that shown in FIG. 4;

FIG. 6 is a view in front elevation of the brush _shown in FIG. 1; and

FIG. 7 is a view in rear elevation thereof. 

The ornamental design for a toothbrush, substantially as shown. 